Toshiaki, A.; Itoi, E.; Minagawa, H.; Yamamoto, N.; Tuoheti, Y.; Seki, N.; Okada, K.; Shimada, Y. Cross-Sectional Area of the Tendon and the Muscle of the Biceps Brachii in Shoulders With Rotator Cuff Tears. ActaO 2005, 76, 509-512.